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1 definition by C-Dubz

when ur girl is suckin you off and just before you blow ur load in her mouth... she bites bown just enough to make it hurt but not bleed, then pulls back hence the name "tug boat"
dude i think i pissed my girl off the other day... we were foolin around and she gave me the boston tug boat
by C-Dubz May 04, 2006